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| org.apache.stratum.messenger.MessengerComponent |
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| 1 | package org.apache.stratum.messenger; |
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| 2 | ||
| 3 | /* |
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| 4 | * Copyright 2001-2005 The Apache Software Foundation or its licensors, |
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| 5 | * as applicable. |
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| 6 | * |
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| 7 | * Licensed under the Apache License, Version 2.0 (the "License"); |
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| 8 | * you may not use this file except in compliance with the License. |
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| 9 | * You may obtain a copy of the License at |
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| 10 | * |
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| 11 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 12 | * |
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| 13 | * Unless required by applicable law or agreed to in writing, software |
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| 14 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 15 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 16 | * See the License for the specific language governing permissions and |
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| 17 | * limitations under the License. |
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| 18 | */ |
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| 19 | ||
| 20 | import org.apache.commons.configuration.Configuration; |
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| 21 | import org.apache.commons.messenger.MessengerManager; |
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| 22 | import org.apache.stratum.lifecycle.Configurable; |
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| 23 | import org.apache.stratum.lifecycle.Initializable; |
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| 24 | ||
| 25 | /** |
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| 26 | * This class is the Messenger component. It is an adaptor that allows the ComponentLoader to startup MessengerManager. Client |
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| 27 | * code wishing to use Messenger should ask MessengerManager directly for Messenger instances. |
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| 28 | * |
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| 29 | * @author <a href="mailto:eric@dobbse.net">Eric Dobbs</a> |
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| 30 | * @version $Id: MessengerComponent.java 264191 2005-08-29 18:07:52Z henning $ |
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| 31 | * |
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| 32 | * @see org.apache.commons.messenger.MessengerManager |
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| 33 | * @see org.apache.commons.messenger.Messenger |
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| 34 | */ |
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| 35 | 9 | public class MessengerComponent |
| 36 | implements Configurable, Initializable |
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| 37 | { |
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| 38 | /** The key for property 'messenger.xml.url' */ |
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| 39 | 2 | private static final String MESSENGER_XML_URL = "messenger.xml.url"; |
| 40 | ||
| 41 | /** The location of the Messenger.xml file */ |
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| 42 | private String messengerXmlUrl; |
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| 43 | ||
| 44 | /** |
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| 45 | * Configure MessengerManager. MessengerManager requires a URL to a Messenger.xml file. The messenger.properties file should |
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| 46 | * define one property named 'messenger.xml.url' identifying the location of Messenger.xml. |
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| 47 | * |
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| 48 | * @param configuration Configuration object containing the 'messenger.xml.url' property |
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| 49 | */ |
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| 50 | public void configure(Configuration configuration) |
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| 51 | { |
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| 52 | 18 | messengerXmlUrl = configuration.getString(MESSENGER_XML_URL); |
| 53 | 18 | } |
| 54 | ||
| 55 | /** |
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| 56 | * Initialize the MessengerManager. |
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| 57 | * |
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| 58 | 4 | * @exception Exception is thrown if the file defined in 'messenger.xml.url' can't be found. JMSException will be thrown if |
| 59 | 4 | * MessengerManager.configure is unhappy with the value from 'messenger.xml.url' |
| 60 | */ |
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| 61 | public void initialize() |
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| 62 | throws Exception |
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| 63 | { |
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| 64 | 9 | if (messengerXmlUrl == null) |
| 65 | { |
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| 66 | 9 | throw new Exception("Can't find property '" + MESSENGER_XML_URL + "' in the properties file"); |
| 67 | } |
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| 68 | ||
| 69 | 0 | MessengerManager.configure(messengerXmlUrl); |
| 70 | 2 | } |
| 71 | } |
| This report is generated by jcoverage, Maven and Maven JCoverage Plugin. |